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Science · 2026 · 3 marks
CBSE 2026 · Region 1 · Set 1 · Q14
Give differences between the following: (a) Nephron and neuron (b) Sensory nerve and motor nerve (c) Consumers and decomposers
Give differences between the following :
(a)
Nephron and neuron
(b)
Sensory nerve and motor nerve
(c)
Consumers and decomposers
Marking-scheme solution
(a)
| Nephron | Neuron |
| (i) Filtration/Structural/ Functional unit of the kidney. | (i) Structural/ Functional unit of the nervous system. |
| (ii) Filters nitrogenous wastes from the blood. | (ii) Transmits information from one part of the body to another. |
(b)
| Sensory Nerve | Motor Nerve |
| (i) Carries impulse from receptors to CNS/ Brain and Spinal cord. | (i) Carries impulse from CNS/Brain and Spinal cord to the motor area/ effector organ. |
(c)
| Consumers | Decomposers |
| (i) Organisms that feed on producers and other consumers. | (i) Organisms that breakdown dead organic matter into simpler inorganic substances. |
| (ii) Transfer energy through the food chain. | (ii) Recycle nutrients back into the environment. |
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.